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CVE Record

CVE-2026-85694: LaVague 0.2.35 Remote Code Execution via eval extraction

LaVague 0.2.35 contains a remote code execution vulnerability in PythonFromMarkdownExtractor.extract_as_object that evaluates untrusted language model output derived from web page content. Attackers can inject malicious Python code through web pages using indirect prompt injection to execute arbitrary code on the operator's host without review.

CriticalCVSS 9.2Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

LaVague 0.2.35 may execute Python supplied indirectly through hostile web content. A malicious page can influence language-model output, which the affected extractor evaluates on the operator’s computer. Successful exploitation could compromise the confidentiality, integrity, and availability of that host.

Executive priority

Treat exposed LaVague 0.2.35 automation as an immediate containment and remediation priority, especially on hosts holding credentials or production access. Prioritize inventory, isolation, and vendor-guidance review. The critical impact warrants urgency even though active exploitation is not established.

Technical view

The flaw is in PythonFromMarkdownExtractor.extract_as_object. It evaluates untrusted language-model output derived from web content, creating a CWE-94 code-injection path. Exploitation requires indirect prompt injection and successful manipulation of model output; the supplied CVSS 4.0 score is 9.2.

Likely exposure

Exposure is most likely where LaVague 0.2.35 processes attacker-controlled or untrusted webpages and invokes the affected extractor. The bundle does not establish whether other releases are affected, despite inconsistent affected-version metadata, so inventories require careful verification.

Exploitation context

The source bundle describes a viable remote-code-execution condition, but does not report observed exploitation. The CVE is not identified as KEV. Attack complexity is rated high and requires a prompt-injection condition, yet no privileges or user interaction are reflected in the supplied vector.

Researcher notes

The core trust-boundary failure is evaluation of model-generated text influenced by webpage content. The supplied evidence identifies version 0.2.35, while structured affected data lists “0” with default unaffected status; this inconsistency limits version-range conclusions. No fixed release or vendor-endorsed workaround is supplied.

Mitigation direction

  • Identify and suspend LaVague 0.2.35 workflows that process untrusted web content.
  • Avoid using PythonFromMarkdownExtractor.extract_as_object until vendor guidance is reviewed.
  • Run unavoidable automation in isolated, least-privileged environments without sensitive credentials.
  • Check the project issue and advisory for an official patch or safe upgrade.
  • Restrict outbound access and secrets available to affected automation hosts.

Validation and detection

  • Inventory installed LaVague versions and locate deployments running 0.2.35.
  • Determine whether workflows invoke PythonFromMarkdownExtractor.extract_as_object.
  • Review whether affected workflows process public or attacker-controlled webpages.
  • Inspect execution telemetry for unexpected Python activity originating from LaVague processes.
  • Confirm remediated workflows no longer evaluate model-generated content as code.
Prepared
Confidence
high
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-94: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-85694 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.2 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
3Timeline events
1ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: total

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.2CVSS 4.0CriticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheck
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9VulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

9.2Critical
CVSS 4.0 vector shape for CVE-2026-85694Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
lavague-aiLaVague0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-94 · source CWE mapping

Improper Control of Generation of Code ('Code Injection')

Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.